using System;
namespace Punktid6{
   class Punkt{
       private readonly int x;
       private readonly int y;
       public Punkt(int ux, int uy){
         x=ux; y=uy;
       }
       public int getX(){
         return x;
       }
       public int getY(){
         return y;
       }
       public double kaugusNullist(){
         return Math.Sqrt(x*x+y*y);
       }
   }
   class Punktiproov{
     public static void Main(string[] arg){
         Punkt p1=new Punkt(3, 4);
         Console.WriteLine(p1.kaugusNullist());
     }
   }
}

/*
C:\Projects\oma\naited>Punktid6
5
*/